# Final Review

Classified in Chemistry

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1) Atomic #, protons, and electron are the same; Mass # P+N

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- Find known moles [mol = (M)(L)] convert to mL

- Find unknown moles [u/k coefficients) = unknown (x)/known mol (cross multiply)]

- Find unknown liters [unknown mol/unknown molarity]

9) H = 1 bond, Cl = 4 bonds, O = 4 bonds, double bond first two carbon, shared = total of all bonds

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**ate -> ic, ite -> ous, add H for acids, ide - just the element, any new set swap the subscripts (charges), don't swap when same charge, balance both sides, don't change or add & multiply subscripts for****Balancing Equations:****molar mass**, not numbers in front.**Known/****Stoichiometry:****molar mass**(g/**mol**) * u/k (coefficients) ***unknown**molar mass/1 mol.4)

**grams given/1 * 1 mol/molar mass****Grams to moles conversions:****n = moles converted, K = C + 273, multiply and isolate x.****Gas laws:**5)

**Molarity/Stoichiometry:**- Find known moles [mol = (M)(L)] convert to mL

- Find unknown moles [u/k coefficients) = unknown (x)/known mol (cross multiply)]

- Find unknown liters [unknown mol/unknown molarity]

9) H = 1 bond, Cl = 4 bonds, O = 4 bonds, double bond first two carbon, shared = total of all bonds